VulnerabilityAnalyzed

CVE-2025-62215

Microsoft Windows Race Condition Vulnerability

KEVHIGH 7.0EPSS 5.99%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 December 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVSS 3.1: 7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 5.99% probability · 93th percentile
CISA KEV: Listed 12 November 2025 · due 3 December 2025
Weakness: CWE-362, CWE-415
Affected: microsoft/windows 10 1809 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 23h2 · microsoft/windows 11 24h2 · microsoft/windows 11 25h2 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2 · microsoft/windows server 2025
Source: secure@microsoft.com

CISA notes

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-62215 ; https://nvd.nist.gov/vuln/detail/CVE-2025-62215

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62215Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-62215US Government Resource

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.